<template>
    <div>
        <el-row :gutter='20'>
            <el-col :span='8'>
                <el-card shadow='hover' class='mgb20' style='height: 252px'>
                    <div class='user-info'>
                        <img src='../../assets/img/img.jpg' class='user-avator' alt />
                        <div class='user-info-cont'>
                            <div class='user-info-name'>{{ name }}</div>
                            <div>{{ role }}</div>
                        </div>
                    </div>
                    <div class='user-info-list'>
                        上次登录时间：
                        <span>2021年9月11日</span>
                    </div>
                    <div class='user-info-list'>
                        上次登录地点：
                        <span>南京</span>
                    </div>
                </el-card>
                <el-card shadow='hover' style='height: 252px'>
                    <div slot='header' class='clearfix'>
                        <span>当前服务器负载</span>
                    </div>
                    CPU
                    <el-progress :percentage='99' color='#42b983'></el-progress>
                    内存
                    <el-progress :percentage='99' color='#f1e05a'></el-progress>
                    根目录
                    <el-progress :percentage='99'></el-progress>
                    网络
                    <el-progress :percentage='99' color='#f56c6c'></el-progress>
                </el-card>
            </el-col>
            <el-col :span='16'>
                <el-row :gutter='20' class='mgb20'>
                    <el-col :span='8'>
                        <el-card shadow='hover' :body-style="{ padding: '0px' }">
                            <div class='grid-content grid-con-1'>
                                <i class='el-icon-lx-people grid-con-icon'></i>
                                <div class='grid-cont-right'>
                                    <div class='grid-num'>{{this.SystemInfo.registerUserSize}}</div>
                                    <div>注册用户</div>
                                </div>
                            </div>
                        </el-card>
                    </el-col>
                    <el-col :span='8'>
                        <el-card shadow='hover' :body-style="{ padding: '0px' }">
                            <div class='grid-content grid-con-2'>
                                <i class='el-icon-lx-notice grid-con-icon'></i>
                                <div class='grid-cont-right'>
                                    <div class='grid-num'>{{this.SystemInfo.NumberOfArticles}}</div>
                                    <div>文章数量</div>
                                </div>
                            </div>
                        </el-card>
                    </el-col>
                    <el-col :span='8'>
                        <el-card shadow='hover' :body-style="{ padding: '0px' }">
                            <div class='grid-content grid-con-3'>
                                <i class='el-icon-lx-goods grid-con-icon'></i>
                                <div class='grid-cont-right'>
                                    <div class='grid-num'>{{this.SystemInfo.TotalNumberOfVisits}}</div>
                                    <div>访问总数</div>
                                </div>
                            </div>
                        </el-card>
                    </el-col>
                </el-row>
                <el-card shadow='hover' style='height: 403px'>
                    <div slot='header' class='clearfix'>
                        <span>评论回复</span>
                        <el-button style='float: right; padding: 3px 0' type='text'>添加</el-button>
                    </div>
                    <el-table :show-header='false' :data='todoList' style='width: 100%'>
                        <el-table-column width='40'>
                            <template slot-scope='scope'>
                                <el-checkbox v-model='scope.row.status'></el-checkbox>
                            </template>
                        </el-table-column>
                        <el-table-column>
                            <template slot-scope='scope'>
                                <div class='todo-item' :class="{ 'todo-item-del': scope.row.status }">{{ scope.row.title
                                    }}
                                </div>
                            </template>
                        </el-table-column>
                        <el-table-column width='60'>
                            <template>
                                <i class='el-icon-edit'></i>
                                <i class='el-icon-delete'></i>
                            </template>
                        </el-table-column>
                    </el-table>
                </el-card>
            </el-col>
        </el-row>
        <el-row :gutter='20'>
            <el-col :span='12'>
                <el-card shadow='hover'>
                    <schart ref='bar' class='schart' canvasId='bar' :options='options'></schart>
                </el-card>
            </el-col>
            <el-col :span='12'>
                <el-card shadow='hover'>
                    <schart ref='line' class='schart' canvasId='line' :options='options2'></schart>
                </el-card>
            </el-col>
        </el-row>
    </div>
</template>

<script>
import Schart from 'vue-schart';
import bus from '@/components/common/bus';
import { getInfo } from '@/api/SystemApi';

export default {
    name: 'dashboard',
    data() {
        return {
            SystemInfo:{
                registerUserSize: 0,
                NumberOfArticles: 0,
                TotalNumberOfVisits: 0
            },
            Timer:{
                SystemInfo: null
            },
            name: localStorage.getItem('ms_username'),
            todoList: [
                {
                    title: '今天要修复100个bug',
                    status: false
                }
            ],
            data: [
                {
                    name: '2021年9月11日',
                    value: 1083
                }
            ],
            options: {
                type: 'bar',
                title: {
                    text: '最近一周各端访问情况'
                },
                xRorate: 25,
                labels: ['周一', '周二', '周三', '周四', '周五'],
                datasets: [
                    {
                        label: 'PC',
                        data: [234, 278, 270, 190, 230]
                    },
                    {
                        label: '手机',
                        data: [164, 178, 190, 135, 160]
                    }
                ]
            },
            options2: {
                type: 'line',
                title: {
                    text: '最近一月各端访问情况'
                },
                labels: ['6月', '7月', '8月', '9月', '10月'],
                datasets: [
                    {
                        label: 'PC',
                        data: [234, 278, 270, 190, 230]
                    },
                    {
                        label: '手机',
                        data: [164, 178, 150, 135, 160]
                    }
                ]
            }
        };
    },
    components: {
        Schart
    },
    computed: {
        role() {
            if (this.name === '1419158026@qq.com') {
                return '博客系统作者';
            }
            return '用户';
        }
    },
    created() {
        this.SystemInitialization();

    },
    mounted(){
        this.Timer.SystemInfo = setInterval(this.SystemInitialization,3000);
    },
    methods: {
        changeDate() {
            const now = new Date().getTime();
            this.data.forEach((item, index) => {
                const date = new Date(now - (6 - index) * 86400000);
                item.name = `${date.getFullYear()}/${date.getMonth() + 1}/${date.getDate()}`;
            });
        },
        async SystemInitialization() {
            const res =  await getInfo();
            if (res != null){
                this.SystemInfo.registerUserSize = res.data.registerUserSize;
                this.SystemInfo.TotalNumberOfVisits = res.data.TotalNumberOfVisits;
                this.SystemInfo.NumberOfArticles = res.data.NumberOfArticles;
            }
        }
    }
};
</script>


<style scoped>
.el-row {
    margin-bottom: 20px;
}

.grid-content {
    display: flex;
    align-items: center;
    height: 100px;
}

.grid-cont-right {
    flex: 1;
    text-align: center;
    font-size: 14px;
    color: #999;
}

.grid-num {
    font-size: 30px;
    font-weight: bold;
}

.grid-con-icon {
    font-size: 50px;
    width: 100px;
    height: 100px;
    text-align: center;
    line-height: 100px;
    color: #fff;
}

.grid-con-1 .grid-con-icon {
    background: rgb(45, 140, 240);
}

.grid-con-1 .grid-num {
    color: rgb(45, 140, 240);
}

.grid-con-2 .grid-con-icon {
    background: rgb(100, 213, 114);
}

.grid-con-2 .grid-num {
    color: rgb(45, 140, 240);
}

.grid-con-3 .grid-con-icon {
    background: rgb(242, 94, 67);
}

.grid-con-3 .grid-num {
    color: rgb(242, 94, 67);
}

.user-info {
    display: flex;
    align-items: center;
    padding-bottom: 20px;
    border-bottom: 2px solid #ccc;
    margin-bottom: 20px;
}

.user-avator {
    width: 120px;
    height: 120px;
    border-radius: 50%;
}

.user-info-cont {
    padding-left: 50px;
    flex: 1;
    font-size: 14px;
    color: #999;
}

.user-info-cont div:first-child {
    font-size: 30px;
    color: #222;
}

.user-info-list {
    font-size: 14px;
    color: #999;
    line-height: 25px;
}

.user-info-list span {
    margin-left: 70px;
}

.mgb20 {
    margin-bottom: 20px;
}

.todo-item {
    font-size: 14px;
}

.todo-item-del {
    text-decoration: line-through;
    color: #999;
}

.schart {
    width: 100%;
    height: 300px;
}
</style>
